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2 KMnO4 + K2SeO3 + 2 KOH = 2 K2MnO4 + K2SeO4 + H2O
CuCO3 + HNO3 = Cu(NO3)2 + CO2 + H2O =>
CuCO3 + 2 HNO3 = Cu(NO3)2 + CO2 + H2O
N2 + O2 = NO2 =>
N2 + 2 O2 = 2 NO2
Cr(OH)3 + ZnCl2 = Zn(OH)2 + CrCl3 =>
2 Cr(OH)3 + 3 ZnCl2 = 3 Zn(OH)2 + 2 CrCl3
Mg3(PO4)2 + PbS = MgS + Pb3(PO4)2 =>
Mg3(PO4)2 + 3 PbS = 3 MgS + Pb3(PO4)2
PtCl6{2-} = PtCl4{2-} + Cl =>
PtCl6{2-} = PtCl4{2-} + 2 Cl
Fe + Pb = FePb8 =>
Fe + 8 Pb = FePb8
Pb(NO3)2 = PbO + NO2 + O2 =>
2 Pb(NO3)2 = 2 PbO + 4 NO2 + O2
CaO + CO2 = CaCO3 =>
CaO + CO2 = CaCO3
MgCO3 + HCl = CO2 + H2O + Mg + Cl =>
MgCO3 + 2 HCl = CO2 + H2O + Mg + 2 Cl
IrBr + Cl2 + NaOH = Na2IrO4 + NaBrO3 + NaCl + H2O =>
2 IrBr + 11 Cl2 + 28 NaOH = 2 Na2IrO4 + 2 NaBrO3 + 22 NaCl + 14 H2O
H2 + K = H2K =>
H2 + K = H2K
C6H5CH3 + CHCl3 = (C6H4CH3)CH + HCl =>
12 C6H5CH3 + 4 CHCl3 = 11(C6H4CH3)CH + 12 HCl
Fe3C + O2 = CO + Fe2O3 =>
4 Fe3C + 11 O2 = 4 CO + 6 Fe2O3
KNO3 + CaO = K2O + Ca(NO3)2 =>
2 KNO3 + CaO = K2O + Ca(NO3)2
Mg + WO3 = MgO + W =>
3 Mg + WO3 = 3 MgO + W
MnCl2 + NaOH + F2 = Na2MnO4 + NaCl + NaF + H2O =>
MnCl2 + 8 NaOH + 2 F2 = Na2MnO4 + 2 NaCl + 4 NaF + 4 H2O
Ag + I2 = AgI =>
2 Ag + I2 = 2 AgI
CH3CCH3CH3 + KMnO4 + H2SO4 = H2O + K2SO4 + MnSO4 + CH3COCH3 =>
30 CH3CCH3CH3 + 22 KMnO4 + 33 H2SO4 = 48 H2O + 11 K2SO4 + 22 MnSO4 + 40 CH3COCH3
KOHZn(NO3)2 = ZnOHK(NO3)2 =>
KOHZn(NO3)2 = ZnOHK(NO3)2
Ca(OH)2(ac) + HBr(ac) = CaBr2(ac) + H2O(l) =>
Ca(OH)2(ac) + 2 HBr(ac) = CaBr2(ac) + 2 H2O(l)
H2S + Na2Cr2O7 + H2O = Cr(OH)3 + S + NaOH =>
3 H2S + Na2Cr2O7 + H2O = 2 Cr(OH)3 + 3 S + 2 NaOH
Fe + Cr + O4 = FeCrO4 =>
Fe + Cr + O4 = FeCrO4
C6H5Cl + CH3Cl + Na = C7H8 + NaCl =>
C6H5Cl + CH3Cl + 2 Na = C7H8 + 2 NaCl
OF2 + NaFeO2 = Na2FeO4 + FeF3 + O2 =>
6 OF2 + 8 NaFeO2 = 4 Na2FeO4 + 4 FeF3 + 3 O2
Na2SO3 + Br2 + KOH = Na2SO4 + KBr + H2O =>
Na2SO3 + Br2 + 2 KOH = Na2SO4 + 2 KBr + H2O
PBSO2 = PBOSO =>
PBSO2 = PBOSO
K2SO3 + Cl2 + H2O = H2SO4 + KCl =>
K2SO3 + Cl2 + H2O = H2SO4 + 2 KCl
NH4OH + SO4{2-} + Cu{2+} = Cu2H2SO6 + NH4{+} =>
2 NH4OH + SO4{2-} + 2 Cu{2+} = Cu2H2SO6 + 2 NH4{+}
AlOH3 + NaOH = NaAlO2 + H2 =>
AlOH3 + NaOH = NaAlO2 + 2 H2
HgNO2 + KI = HgI2 + K2NO2 =>
HgNO2 + 2 KI = HgI2 + K2NO2
CH4O(v) + O2(g) = CO2(g) + H2O(g) =>
2 CH4O(v) + 3 O2(g) = 2 CO2(g) + 4 H2O(g)
FeS2 + O2 + H2O = FeOOH + SO4 =>
4 FeS2 + 19 O2 + 2 H2O = 4 FeOOH + 8 SO4
As2S3 + H2O2 + NH4OH = (NH4)2SO4 + (NH4)3AsO4 + H2O =>
As2S3 + 14 H2O2 + 12 NH4OH = 3(NH4)2SO4 + 2(NH4)3AsO4 + 20 H2O
Li2SO4 + Ba(NO3)2 = BaSO4 + LiNO3 =>
Li2SO4 + Ba(NO3)2 = BaSO4 + 2 LiNO3
(NH4)2SO4 + BaI2 = NH4I + SO4Ba =>
(NH4)2SO4 + BaI2 = 2 NH4I + SO4Ba
CrBr2 + (NH4)2CO3 = CrCO3 + NH4Br =>
CrBr2 + (NH4)2CO3 = CrCO3 + 2 NH4Br
CO2 + HCN = CO2HCN =>
CO2 + HCN = CO2HCN
NH4Cl(aq) + Pb(NO3)2(aq) = NH4(NO3)2 + PbCl =>
NH4Cl(aq) + Pb(NO3)2(aq) = NH4(NO3)2 + PbCl
AgNO{-}3 + KCI = AgCI + KNO{-}3 =>
AgNO{-}3 + KCI = AgCI + KNO{-}3
ZnSO4 + Na2OH = Na2SO4 + ZnOH =>
ZnSO4 + Na2OH = Na2SO4 + ZnOH
Na3PO3 + HCl = NaCl + H3PO3 =>
Na3PO3 + 3 HCl = 3 NaCl + H3PO3
N2H4 + HBrO3 = HBr + N2 + H2O =>
3 N2H4 + 2 HBrO3 = 2 HBr + 3 N2 + 6 H2O
Li + AuCl = LiCl + Au =>
Li + AuCl = LiCl + Au
PbBr2 = Pb + Br =>
PbBr2 = Pb + 2 Br
C7H6O3 = CO2 + C6H6O =>
C7H6O3 = CO2 + C6H6O
XeO3 + HF = XeF4 + H2O + O2 =>
2 XeO3 + 8 HF = 2 XeF4 + 4 H2O + O2
Na2S2O3 = Na2SO4 + Na2S + S =>
4 Na2S2O3 = 3 Na2SO4 + Na2S + 4 S
K2Cr2O7 + HCl + C6H5CH3 = CrCl3 + KCl + C6H5COOH + H2O =>
K2Cr2O7 + 8 HCl + C6H5CH3 = 2 CrCl3 + 2 KCl + C6H5COOH + 5 H2O
Na(HCO3) + CH3COOH = Na(CH3COOH) + CO2 + H2O =>
8 Na(HCO3) + 9 CH3COOH = 8 Na(CH3COOH) + 10 CO2 + 6 H2O
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